*{box-sizing:border-box}
html{background:#f3f3f1;color:#17181c;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Arial,sans-serif}
body{margin:0;min-height:100vh}
.hcc-page{--hero-ink:#17181c;min-height:100vh;background:linear-gradient(135deg,var(--tone-1) 0%,var(--tone-2) 24%,var(--tone-3) 49%,var(--tone-4) 74%,var(--tone-5) 100%);color:var(--hero-ink)}
.hcc-page--color{background:#fff;color:#17181c}
.hcc-page--color .brand{color:#17181c}
.hcc-page--error{background:radial-gradient(circle at 82% 22%,#e4e0ff,transparent 40%),linear-gradient(145deg,#fafaf8,#e9e9ee);color:#17181c}
.shell{width:min(calc(100% - 48px),1180px);margin:0 auto;padding:30px 0 72px}
.topbar{min-height:56px;display:flex;align-items:center}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--brand-ink,var(--hero-ink));font-size:15px;font-weight:750;letter-spacing:-.025em;text-decoration:none}
.brand-ring{width:27px;aspect-ratio:1;border-radius:50%;background:conic-gradient(#f44 0 17%,#ffcc00 17% 34%,#4bdd4b 34% 51%,#08c9da 51% 68%,#6457f3 68% 84%,#e45edc 84%);position:relative;flex:none}
.brand-ring::after{content:"";position:absolute;inset:29%;border-radius:50%;background:#f8f8f8}
.preview-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.94fr);grid-template-areas:"story details" "actions details";column-gap:clamp(36px,5vw,86px);align-content:center;min-height:calc(100vh - 158px)}
.preview-story{grid-area:story;align-self:end;min-width:0}
.story-heading{margin-bottom:38px}
.eyebrow{margin:0 0 24px;font-size:14px;font-weight:700;letter-spacing:.015em}
h1{max-width:12ch;margin:0;font-size:clamp(42px,5vw,76px);font-weight:790;letter-spacing:-.035em;line-height:1.04;overflow-wrap:anywhere}
.intro{min-height:1.45em;margin:15px 0 0;font-size:clamp(16px,1.55vw,21px);font-weight:450;line-height:1.4;overflow-wrap:anywhere}
.palette-rings{display:flex;align-items:flex-start;list-style:none;margin:0;padding:0;max-width:570px}
.palette-rings li{flex:1;min-width:0;text-align:center}
.palette-rings li+li{margin-left:-5px}
.palette-ring{display:block;width:100%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle at center,#fff 0 27%,var(--ring) 28%);box-shadow:inset 0 0 0 2px rgba(20,21,25,.13);position:relative}
.palette-ring::after{content:"";position:absolute;inset:27%;border:2px solid rgba(20,21,25,.14);border-radius:50%}
.ring-label{display:block;margin-top:12px;color:var(--label-ink,var(--hero-ink));font-size:14px;font-variant-numeric:tabular-nums;line-height:1}
.preview-details{grid-area:details;align-self:center;min-width:0}
.detail-card{background:rgba(250,250,249,.94);border-radius:26px;color:#17181c;box-shadow:0 18px 50px rgba(20,20,25,.14);overflow:hidden}
.color-rows{list-style:none;margin:0;padding:12px 28px}
.color-row{display:grid;grid-template-columns:62px minmax(0,1fr) 44px;align-items:center;gap:18px;min-height:105px;padding:14px 0}
.color-row+.color-row{border-top:1px solid #d9dce0}
.row-ring{width:62px;aspect-ratio:1;display:grid;place-items:center;border-radius:50%;background:radial-gradient(circle at center,#fff 0 27%,var(--ring) 28%);box-shadow:inset 0 0 0 2px rgba(20,21,25,.13)}
.row-ring span{width:44%;aspect-ratio:1;display:grid;place-items:center;border-radius:50%;background:#fff;box-shadow:0 0 0 1px rgba(20,21,25,.13);color:#5f6670;font-size:14px;font-weight:600;font-variant-numeric:tabular-nums}
.row-values{min-width:0;display:grid;gap:4px}
.row-values strong{font-size:clamp(20px,2vw,27px);line-height:1.1;letter-spacing:-.025em;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.row-values small{color:#626a73;font-size:clamp(13px,1.35vw,16px);line-height:1.25;font-variant-numeric:tabular-nums;white-space:normal}
.copy-button{width:44px;height:44px;display:grid;place-items:center;border:0;border-radius:50%;background:transparent;color:#616975;cursor:pointer}
.copy-button:hover{background:#e9e9ef;color:#4538cc}
.copy-button svg{width:23px;height:23px}
.copy-status{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
.actions{grid-area:actions;align-self:start;display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:40px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 19px;border:1px solid rgba(23,24,28,.2);border-radius:999px;background:#fff;color:#5144e8;font:inherit;font-size:15px;font-weight:700;text-align:center;text-decoration:none;line-height:1.2}
.button.primary{background:#574cf0;border-color:#574cf0;color:#fff}
.button.primary:hover{background:#4034d0;border-color:#4034d0}
.button.secondary:hover{background:#f0efff}
.note{grid-area:actions;margin-top:100px}
.hcc-page--color .preview-layout{grid-template-columns:minmax(0,1fr) minmax(0,.8fr)}
.hcc-page--color .preview-story,.hcc-page--error .preview-story{display:flex;flex-direction:column-reverse;align-items:flex-start}
.hcc-page--color .story-heading,.hcc-page--error .story-heading{margin:35px 0 0}
.color-hero{width:min(100%,320px);aspect-ratio:1;display:grid;place-items:center}
.color-ring{display:block;width:90%;aspect-ratio:1;border-radius:50%;background:var(--ring);box-shadow:inset 0 0 0 2px rgba(20,21,25,.13);position:relative}
.color-ring::after{content:"";position:absolute;inset:27%;border:2px solid rgba(20,21,25,.14);border-radius:50%;background:#fff}
.color-detail{padding:24px 32px}
.color-detail p{display:flex;justify-content:space-between;align-items:baseline;gap:20px;margin:0;padding:22px 0;font-variant-numeric:tabular-nums}
.color-detail p+p{border-top:1px solid #d9dce0}
.color-detail p span{color:#626a73;font-size:14px;font-weight:700}
.color-detail p strong{font-size:clamp(19px,2.2vw,29px);letter-spacing:-.025em;text-align:right;overflow-wrap:anywhere}
.hcc-page--error .preview-layout{grid-template-areas:"story story" "actions actions"}
.error-rings{display:flex;align-items:center;height:150px;padding-left:6px}
.error-rings span{width:116px;aspect-ratio:1;flex:none;border-radius:50%;background:radial-gradient(circle at center,transparent 0 26%,#5b4ff1 27%)}
.error-rings span:nth-child(2){margin-left:-30px;background:radial-gradient(circle at center,transparent 0 26%,#c8c4ff 27%)}
.error-rings span:nth-child(3){margin-left:-30px;background:radial-gradient(circle at center,transparent 0 26%,#e0dfe8 27%)}
.hcc-page--error .intro{max-width:54ch}
.hcc-page--error .actions{margin-top:28px}
a:focus-visible,button:focus-visible{outline:3px solid #17181c;outline-offset:4px}
::selection{background:#574cf0;color:#fff}
@media(max-width:800px){
  .shell{width:min(calc(100% - 40px),660px);padding:18px 0 56px}
  .preview-layout,.hcc-page--color .preview-layout,.hcc-page--error .preview-layout{display:flex;flex-direction:column;align-items:stretch;min-height:0}
  .preview-story{align-self:stretch}
  .story-heading{margin:52px 0 36px}
  h1{font-size:clamp(42px,9vw,66px)}
  .palette-rings{max-width:none}
  .palette-rings li+li{margin-left:-7px}
  .preview-details{width:100%;margin-top:44px}
  .actions{margin-top:28px}
  .hcc-page--color .preview-story,.hcc-page--error .preview-story{align-items:center}
  .hcc-page--color .story-heading,.hcc-page--error .story-heading{align-self:stretch;margin:26px 0 0}
  .hcc-page--color .color-hero{margin-top:45px;width:min(66vw,270px)}
  .hcc-page--error .error-rings{align-self:flex-start;margin-top:34px}
}
@media(max-width:480px){
  .shell{width:calc(100% - 32px);padding:14px 0 44px}
  .brand{font-size:14px}
  .story-heading{margin:46px 0 30px}
  .eyebrow{margin-bottom:20px}
  h1{font-size:clamp(38px,10vw,54px)}
  .intro{font-size:16px;margin-top:10px}
  .palette-rings li+li{margin-left:-6px}
  .ring-label{margin-top:9px;font-size:13px}
  .preview-details{margin-top:34px}
  .detail-card{border-radius:22px}
  .color-rows{padding:8px 17px}
  .color-row{grid-template-columns:48px minmax(0,1fr) 42px;gap:11px;min-height:90px;padding:11px 0}
  .row-ring{width:48px}
  .row-ring span{font-size:12px}
  .row-values strong{font-size:clamp(17px,5.6vw,23px)}
  .row-values small{font-size:clamp(11px,3.7vw,14px)}
  .copy-button{width:42px;height:42px}
  .actions{display:grid;grid-template-columns:1fr;gap:10px}
  .button{width:100%;min-height:50px}
  .hcc-page--color .color-hero{margin-top:38px;width:min(68vw,250px)}
  .color-detail{padding:12px 20px}
  .color-detail p{padding:19px 0}
}
@media(max-width:350px){.color-rows{padding:6px 12px}.color-row{grid-template-columns:42px minmax(0,1fr) 40px;gap:8px}.row-ring{width:42px}.row-values strong{font-size:17px}.row-values small{font-size:11px}}